초록 ▼

A method of and apparatus for automatic flue damper control of a solid fuel burning stove has a driveshaft connected to the damper, a plurality of cams on the driveshaft, a plurality of thermoswitches on the chimney pipe, a plurality of selection switches operated by the cams, and an electric motor

A method of and apparatus for automatic flue damper control of a solid fuel burning stove has a driveshaft connected to the damper, a plurality of cams on the driveshaft, a plurality of thermoswitches on the chimney pipe, a plurality of selection switches operated by the cams, and an electric motor controlled by the thermoswitches and the selector switches for moving the damper to open, partial and closed positions in response to low, rising, and too high temperatures respectively.

대표청구항 ▼

An automatic temperature responsive electrical damper control for operation of a damper in a solid fuel stove, comprising a. a chassis having means for mounting of the chassis in a predetermined position with respect to and adjacent a chimney pipe from the solid fuel stove; b. an electric motor moun

An automatic temperature responsive electrical damper control for operation of a damper in a solid fuel stove, comprising a. a chassis having means for mounting of the chassis in a predetermined position with respect to and adjacent a chimney pipe from the solid fuel stove; b. an electric motor mounted to said chassis; a damper drive connected to said motor and operatively connectable to a damper in said chimney pipe for position movement of the damper; c. output means connected to said damper drive for indicating the position of the drive and the damper when operatively connected to said drive; d. temperature responsive switching means for switching in response to a first higher temperature and a functionally discrete second lower temperature, said switch means being positionable in thermal exchange relationship with said chimney pipe; e. selection means operatively connected to said output means and functionally disposed between said motor and said switch means for connecting said motor to be responsive only to switching as a consequence of only one of said temperatures; and f. a power source lead connected to said selection means.